Home / 21,582.76-32,371.80-5,789.38

Finding the Fourth Proportional to 21,582.76, 32,371.80 and 5,789.38

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Solution

The fourth proportional to 21,582.76, 32,371.80 and 5,789.38 is: 8,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.76 : 32,371.80 = 5,789.38 : x
  2. Step 2: Convert to fraction form
    21,582.76/32,371.80 = 5,789.38/x
  3. Step 3: Cross multiply
    21,582.76x = 32,371.80 × 5,789.38
  4. Step 4: Simplify right side
    21,582.76x = 187,412,570.55
  5. Step 5: Solve for x
    x = 187,412,570.55/21,582.76
  6. Step 6: Final answer
    x = 8,683.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.